题目内容
Nowadays China for its new “four great inventions”-shared bicycles, electronic payments, high-speed railways and online shopping.
A. was knowing B. was known C. is knowing D. is known
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题目内容
Nowadays China for its new “four great inventions”-shared bicycles, electronic payments, high-speed railways and online shopping.
A. was knowing B. was known C. is knowing D. is known